←
Bulgarian око́ (cognate)
←
Old Church Slavonic око (cognate)
←
Proto-Germanic *ago (cognate)
←
Proto-Germanic *augô (mention)
←
Proto-Germanic *ausô (mention)
←
Ancient Greek ὤψ (cognate)
←
Proto-Balto-Slavic *ak- (mention)
←
Proto-Indo-European *h₃okʷ- (inherited)
←
Proto-Indo-European *h₃ekʷ- (mention)
←
Lithuanian akìs (cognate)
←
Old Prussian ackis (cognate)
←
Sanskrit अक्षि (cognate)
←
Proto-Slavic *oko (cognate)
←
Ukrainian о́ко (cognate)
→
Lithuanian akis (cognate)
→
Latgalian acs (cognate)
→
Old Prussian ackis (cognate)